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        "assignerOrgId": "206fc3a0-e175-490b-9eaa-a5738056c9f6",
        "state": "PUBLISHED",
        "assignerShortName": "NLnet Labs",
        "dateReserved": "2026-10-12T11:22:34.614Z",
        "datePublished": "2026-11-02T15:42:13.364Z",
        "dateUpdated": "2026-11-02T16:10:56.242Z"
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            "title": "Krill treats a \"local parent\" as already-authenticated, letting a CA operator act as any child of any CA on the same server",
            "datePublic": "2026-11-02T00:00:00.000Z",
            "affected": [
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                    "vendor": "NLnet Labs",
                    "product": "Krill",
                    "versions": [
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                            "version": "0.16.1",
                            "status": "unaffected",
                            "lessThan": "*",
                            "versionType": "semver"
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                    "lang": "en",
                    "value": "When a CA's parent lives on the same Krill server: instead of building and verifying a signed CMS message, it runs the RFC 6492 provisioning exchange in-process and trusts the child identity (child_handle) that the caller put in the parent contact. Nothing checks that this child identity actually belongs to the CA making the request."
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                        "baseScore": 8.4,
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                    "descriptions": [
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                            "lang": "en",
                            "cweId": "CWE-639",
                            "description": "CWE-639 Authorization Bypass Through User-Controlled Key",
                            "type": "CWE"
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            "solutions": [
                {
                    "lang": "en",
                    "value": "This issue is fixed in 0.16.1 and all later versions."
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                {
                    "time": "2026-10-03T00:00:00.000Z",
                    "lang": "en",
                    "value": "Issue reported"
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                {
                    "time": "2026-11-02T00:00:00.000Z",
                    "lang": "en",
                    "value": "Fixes released"
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            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Anthropic and Ada Logics",
                    "type": "finder"
                }
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            "references": [
                {
                    "url": "https://www.nlnetlabs.nl/downloads/krill/CVE-2026-109142.txt",
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                                "timestamp": "2026-11-02T16:10:47.154411Z",
                                "id": "CVE-2026-109142",
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                                        "Exploitation": "none"
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